. >> and the first guidelines for kids with type two diabetes. how experts plan to treat the disease. >>> it's the kind of scheme made famous by manti te'o's hoax -- catfishing. joce sterman explains how the common scheme works in tonight's scam alert. >> reporter: as crazy as it sounds, what apparently happened to notre dame's manti te'o, happens every day and in the just to famous football players. >> everybody wants to feel needed and loved and find that romance, the wonder, the excitement of it all. the scammer just knows how to pull them into it. >> reporter: pulling them in by catfishing. that's a term made famous by the 2010 film called catfish, about a man who has an online love affair with the ideal woman who turns out to not exist. it's based on trust, one email, one phone call at a time. >> hey fell in love with affection nal character, a -- a fictional character. >> reporter: she said te'o is like many of her clients, the target of a cruel hoax. >> it's hard for people to accept the fact this person doesn't exist. nothing is going to